Table 4.

Evaluation of total disc displacements by MRI diagnosis between Group 1 and Group 2.

MRI findings	Group 1	Group 2	Chi-square	Df	P value
Total no. of patients	22	22
Total no of joints examined	44	44	-	-	-
No DD	21(47.7%)	42(95.5%)	-	-	-
Ant. DDR	11 (25%)	2 (4.5%)	-	-	-
Ant. DDWR	11 (25%)	0	-	-	-
Post. DD	1 (2.3%)	0	-	-	-
Total disc displacement	23(52.3%)	2 (4.5%)	17.6	1	0.00**